Grevillea plant named ‘Eternal Pink Glory’

ABSTRACT

A new and distinct variety of  Grevillea  Plant, referred to by its cultivar name, ‘Eternal Pink Glory’, is disclosed. The new variety forms attractive, hot pink colored flowers. Bluish-green colored foliage is formed. The vegetation is moderately vigorous, and the growth habit is upright. The new variety is particularly well suited for providing distinctive ornamentation in the landscape.

Botanical/commercial classification:

Latin name: Grevillea hybrid.

Varietal denomination: ‘Eternal Pink Glory’.

SUMMARY OF THE INVENTION

The new variety of Grevillea plant, botanically known as Grevillea hybrid, of the present invention originated by cross pollination in Perth, Western Australia, wherein two parents were crossed which previously had been studied in the hope that they would contribute the desired characteristics. The female parent (i.e., the seed parent) was the ‘20091491’ variety (not patented). The male parent (i.e., the pollen parent) was the Grevillea oligomera ‘20060976’ variety (not patented).

The parentage can be summarized as follows: ‘20091491’ x ‘20060976’

The new cultivar was discovered and selected as a single flowering plant within the progeny of the above stated cross pollination during October 2011 in a controlled environment in Perth, Western Australia.

It was found that the new variety of Grevillea plant of the present invention possesses the following combination of characteristics:

-   -   (a) forms hot pink colored flowers with pink styles and         blue-violet stigmas,     -   (b) exhibits bluish-green colored foliage with prickly tips,     -   (c) provides moderately vigorous vegetation, and     -   (d) forms upright growth habit.

The new variety well meets the needs of the horticultural industry. It can be grown to advantage as ornamentation in parks, gardens, public areas, and in residential settings. Accordingly, the plant is particularly well suited for growing in the landscape.

The new variety can be readily distinguished from its ancestors. More specifically, the ‘20091491’ variety (i.e., the seed parent) displays green colored foliage and pink and green colored flowers, whereas the new variety displays bluish-green colored foliage and hot pink colored flowers. The ‘20060976’ variety (i.e., the pollen parent) displays green colored foliage and pink and blue colored flowers, whereas the new variety displays bluish-green colored foliage and hot pink colored flowers. Moreover, the new variety can be readily distinguished from other similar non-parental varieties. For example, the ‘Misty Pink’ variety (non-patented) exhibits weaker pink flower color and foliage that is less pointed in shape compared to the new variety.

The new variety has been found to undergo asexual propagation in Perth, Western Australia by stem cuttings since October 2011. Asexual propagation by stem cuttings in Perth, Western Australia has shown that the characteristics of the new variety are homogeneous, stable, and strictly transmissible by such asexual propagation from one generation to another. Accordingly, the new variety undergoes asexual propagation in a true-to-type manner.

The new variety has been named ‘Eternal Pink Glory’.

BRIEF DESCRIPTION OF THE PHOTOGRAPH

The accompanying photograph shows, as nearly true as it is reasonably possible to make the same in color illustrations of this character, a typical specimen of the new variety. Colors in the photograph differ slightly from the color designations cited in the detailed description, which accurately describes the colors of the new variety. The plant was grown in a container in May 2018 in an outdoor nursery in Valley Center, Calif.

Drawing—illustrates a specimen of the flower—close-up view.

DETAILED BOTANICAL DESCRIPTION

The chart used in the identification of colors described herein is that of The Royal Horticultural Society (R.H.S. Colour Chart) London, England, 2001 edition, except where general color terms of ordinary significance are used. The terminology which precedes reference to the chart has been added to indicate the corresponding color in more common terms. The following measurements and numerical values represent averages of typical plants.

-   Propagation:     -   -   Type cutting.—Terminal stem cuttings.         -   Time to initiate roots.—Approximately 14 to 18 weeks.         -   Time to produce a rooted cutting.—Approximately 22 to 26             weeks.         -   Root description.—Light brown in color, fine.         -   Rooting habit.—Freely branching, tight grouping of small             roots. -   Plant:     -   -   Growth habit and general appearance.—Moderately vigorous,             upright, bushy with blue tinged foliage.         -   Size.—Height: approximately 4.0 m after five years of age. —             Width: approximately 3.0 m after five years of age.         -   Branching habit.—Freely upright branching. — Quantity of             branches per plant: approximately 14. — Branch Strength:             strong. — Lateral branch shape: cross-section is spherical.             — Length to base of peduncle: approximately 10.0 cm. —             Diameter: approximately 4.0 to 5.0 mm. — Length of central             internode: approximately 4.0 cm. — Texture: smooth. — Stem             shape: cross-sectional is spherical. — Pubescence color:             commonly near White Group 155D. — Color of young stems:             commonly near Yellow-Green Group 149D. — Color of mature             stems: commonly near Greyed-Orange Group 174A. -   Foliage:     -   -   General description.—Fragrance: none detected.         -   Density.—Spreading.         -   Leaf.—Form: tripinnatisect and terate. — Arrangement:             alternate. — Aspect: acute angle to stem. — Attitude: leaf             primary lobe in relation to the midrib is erect. — Margin:             lobed. — Undulation of leaf margin: absent. — Apex: acute             lobes. — Base: attenuate. — Profile of leaf cross section:             cylindrical. — Leaf sinus depth of primary division:             typically two lobes and the divisions are approximately 3 to             14 cm deep. — Leaf sinus width of primary division:             approximately 5 to 8 mm. — Shape of leaf apex of sinus             primary division: attenuate. — Leaf lobe of primary             division: length is approximately 9 to 10 cm and width is             approximately 5 to 14 mm. — Venation pattern: pinnate. —             Length of mature leaf: approximately 36.0 cm. — Width of             mature leaf: approximately 30.0 cm. — Texture of upper             surface: smooth. — Texture of lower surface: smooth. —             Pubescence color: commonly near White Group 155A. — Color of             upper surface of young foliage: commonly near Green Group             143B. — Color of lower surface of young foliage: commonly             near Green Group 143B. — Color of upper surface of mature             foliage: commonly near Green Group 138A. — Color of lower             surface of mature foliage: commonly near Green Group 138C. —             Vein color: upper and lower sides are commonly near             Yellow-Green Group 147B.         -   Petiole.—Length: approximately 2 to 6 cm. — Width:             approximately 1 to 2 mm. — Texture: glaborous or very             sparsely silky. — Color: commonly near Yellow-Green Group             147B.         -   Stipule.—Arrangement: alternate. — Texture: lightly             pubescent. — Shape: intrapetiolar. — Length: approximately             1.4 to 2.0 mm. — Color: commonly near Green Group 143C. -   Flower:     -   -   Flowering habit.—Freely flowering habit in full sun outdoor             conditions with almost continuous blooming in Zones 8-11.         -   Lastingness of individual inflorescence on the plant/flower             persistence.—Approximately 3 to 4 weeks. -   Inflorescence description:     -   -   General description.—Type: raceme. — Shape: cylindrical             raceme. — Aspect: facing upward. — Arrangement: terminal and             from leaf axils. — Fragrance: none detected. — Quantity per             plant: approximately 3. — Flower diameter: approximately             6.0 cm. — Flower depth: approximately 8.0 cm. — Attitude of             tepal limb in relation to the longitudinal axis of the             flower bud: upright.         -   Bud.—Rate of opening: approximately 2 to 3 days. — Shape:             ovoid. — Diameter: approximately 2.0 cm. — Texture of outer             surface: pubescent. — Pubescence color: commonly near             Greyed-Green Group 194D. — Color: commonly near Green Group             138D.         -   Florets.—Quantity per inflorescence: approximately 80             to 100. — Arrangement: cylindrical. — Length: approximately             15 mm. — Diameter: approximately 1.0 mm.         -   Perianth.—Shape: tubular with a ventral limb that becomes             revolute during anthesis. — Length: approximately 2.0 to             3.0 cm. — Diameter at widest point: approximately 1.0 cm. —             Diameter as base: approximately 0.5 mm. — Coherence of             tepals on the dorsal side: one third to two thirds.         -   Tepals.—Quantity: 4. — Shape: linear. — Margin: entire. —             Apex: angle. — Length: approximately 5.0 to 8.0 mm. — Width:             approximately 0.5 mm. — Texture of outer surface: pubescent.             — Texture of inner surface: smooth. — Color of outer surface             when fully open: commonly near Greyed-Green Group 191B. —             Color of inner surface when fully open: commonly near             Greyed-Green Group 191B.         -   Peduncle.—Strength: strong. — Aspect: erect. — Length:             approximately 4.0 to 6.0 cm. — Diameter: approximately             0.75 mm. — Texture: pubescent. — Color: commonly near             Yellow-Green Group 144B.         -   Rachis.—Strength: strong. — Length: approximately 10.0 to             12.0 cm. — Diameter: approximately 1.0 to 1.5 mm. — Texture             of outer surface: pubescent. — Pubescence color: commonly             near Greyed-Green Group 194C.         -   Pedicel.—Strength: strong. — Aspect: upright. — Length:             approximately 2.0 mm. — Diameter: approximately 0.4 mm. —             Texture of outer surface: pubescent — Pubescence color:             commonly near Greyed-Green Group 194D. — Color: commonly             near Yellow-Green Group 144C.         -   Reproductive organs.—Anther quantity: 2 per floret. — Anther             Shape: bilobed. — Anther length: approximately 2.0 mm. —             Anther color: commonly near Greyed-Orange Group 175C. —             Pollen amount: scant. — Pollen color: commonly near             Greyed-Yellow Group 162A. — Pistil quantity: 1 per floret. —             Pistil length: approximately 6.0 to 8.0 cm and is twice the             length of the perianth. — Stigma shape: ovoid. — Stigma             length: approximately 3.0 to 5.0 mm. — Stigma color:             commonly near Violet Group N88B. — Style length:             approximately 4.0 to 5.0 cm. — Style color: commonly near             Red-Purple Group 73A. — Style curvature: straight. — Style             hairiness: sparse and distribution of style hair is             concentrated towards the ovary end. — Attitude of pollen             presenter to style: lateral. — Ovary length: approximately             0.5 to 0.75 mm. — Ovary texture: pubescent. — Ovary             pubescence color: commonly near Green-White Group 157D. —             Ovary color: commonly near Yellow-Orange Group 16C. —             Nectary length: approximately 0.2 to 0.3 mm. — Nectary             width: approximately 0.75 mm. — Nectary color: commonly near             White Group 155A.         -   Seed.—Not observed to date. -   Development:     -   -   Disease and pest resistance.—Resistance to pathogens and             pests common to Grevillea has not been observed.         -   Commercial crop time.—Approximately 18 months.         -   Hardiness.—USDA Zone 8 through 11.

Plants of the ‘Eternal Pink Glory’ variety have not been observed under all possible environmental conditions to date. Accordingly, it is possible that the phenotypic expression may vary somewhat with changes in light intensity and duration, cultural practices, and other environmental conditions. 

I claim:
 1. A new and distinct Grevillea plant named ‘Eternal Pink Glory’ characterized by the following combination of characteristics: (a) forms hot pink colored flowers with pink styles and blue-violet stigmas, (b) exhibits bluish-green colored foliage with prickly tips, (c) provides moderately vigorous vegetation, and (d) forms upright growth habit; substantially as herein shown and described. 